diff options
Diffstat (limited to 'lib/Support/Unix/Program.inc')
| -rw-r--r-- | lib/Support/Unix/Program.inc | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc index d0abc3763e82..c4123a64046f 100644 --- a/lib/Support/Unix/Program.inc +++ b/lib/Support/Unix/Program.inc @@ -1,9 +1,8 @@ //===- llvm/Support/Unix/Program.cpp -----------------------------*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -246,12 +245,16 @@ static bool Execute(ProcessInfo &PI, StringRef Program, Envp = const_cast<const char **>(*_NSGetEnviron()); #endif - // Explicitly initialized to prevent what appears to be a valgrind false - // positive. - pid_t PID = 0; - int Err = posix_spawn(&PID, Program.str().c_str(), FileActions, - /*attrp*/ nullptr, const_cast<char **>(Argv), - const_cast<char **>(Envp)); + constexpr int maxRetries = 8; + int retries = 0; + pid_t PID; + int Err; + do { + PID = 0; // Make Valgrind happy. + Err = posix_spawn(&PID, Program.str().c_str(), FileActions, + /*attrp*/ nullptr, const_cast<char **>(Argv), + const_cast<char **>(Envp)); + } while (Err == EINTR && ++retries < maxRetries); if (FileActions) posix_spawn_file_actions_destroy(FileActions); |